using a form Post method In vb

hello friends
i have a vb form using which i need to address the php page
on some server...
now for that purpose i have used the querystring which works fine in some cases when the request Get Method is used butttttt

Problem

1.The page on the server has used the(((( Request Post Method )))))instead of Get ..... now here my query string fails me ...... i have included the ASP Type Library

like
Dim a as asptypelibrary.request

now there is a(( mehtod name form ))

a.form (var)
it needs a parameter like (var ) but i dont know how to use this in vb.....
problems every where

2. i have added a dhtml Project but coz never used it b4 same is the case there 2.......



3. Also if i can read the response generated by the server in VB ????



Do Help me friends/...